snippet R Gitignore Template
abbr    R
        ### R ###
        # History files
        .Rhistory
        .Rapp.history
        
        # Session Data files
        .RData
        
        # Example code in package build process
        *-Ex.R
        
        # Output files from R CMD build
        /*.tar.gz
        
        # Output files from R CMD check
        /*.Rcheck/
        
        # RStudio files
        .Rproj.user/
        
        # produced vignettes
        vignettes/*.html
        vignettes/*.pdf
        
        # OAuth2 token, see https://github.com/hadley/httr/releases/tag/v0.3
        .httr-oauth
        
        # knitr and R markdown default cache directories
        /*_cache/
        /cache/
        
        # Temporary files created by R markdown
        *.utf8.md
        *.knit.md
        ${0}
